17685904

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10141}}^1$

素因数の和:10258

約数の個数: 20

約数和(自身を含む): 34584220

約数和(自身を除く): 16898316

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10141, 20282, 40564, 81128, 162256, 1105369, 2210738, 4421476, 8842952, 17685904]

約数ペア:

[(1, 17685904), (2, 8842952), (4, 4421476), (8, 2210738), (16, 1105369), (109, 162256), (218, 81128), (436, 40564), (872, 20282), (1744, 10141)]